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Default testing zener diodes in circuit

I have a circuit that I built years ago. Rather than just replacing a
bunch of zener diodes, is there a way to test them in circuit, without
powering on the circuit?
I know that surface mount zeners fail shorted, but they can open if
there is enough current.
Can I just do a diode check at each polarity with a DMM to detect a
bad zener?
Thanks

 
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